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Financial transparency data from public SEC filings.

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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

GKK

Superinvestors

Institutional investors holding GKK

Consensus →
InvestorFundWeightSharesValueQuarter
David TepperAppaloosa Management0.02%395,791$914K2010Q4
Christopher DavisDavis Selected Advisers0.01%0$9.4M2008Q3

Congressional Activity

Congressional data coming soon

Insider Activity

No insider trades in the last 90 days

Insider Tradeslast 90 days

No insider trades in the last 90 days.

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.